| Lawson Industries Inc (Boynton Beach, FL)
|
| Le Donne Mfg Corp (Irwin, PA)
|
| Lewis Manufacturing (Flower Mound, TX)
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| Liberty Glass/Blinds & Shades (Tacoma, WA)
|
| Lifetime Services Inc (Stamford, CT)
|
| Lima Doors (Lima, OH)
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| Linford Brothers Glass Co (Denver, CO)
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| Linford Brothers Utah Glass Co (Salt Lake City, UT)
|
| Little Harbor Window Co (Berwick, ME)
|
| Lockheed Window Corp (Pascoag, RI)
|
| Lone Star Solar Screens (Irving, TX)
|
| Long island Fireproof Door Inc (Port Washington, NY)
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| Lookout Shutters Inc (Calhoun, GA)
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| Louverlight Window Products (Miami, FL)
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| Louvers & Dampers Inc (Florence, KY)
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| Louvers & Equipment (Owasso, OK)
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| Lucas Equine Equipment Inc (Cynthiana, KY)
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| M & M Aluminum Sales Co (Fort Worth, TX)
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| M & M Door Co (Columbus, OH)
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| M & M Fabrication & Svc (Oklahoma City, OK)
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| M I Windows & Doors Inc (Millen, GA)
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| Macomb Door & Hardware (Roseville, MI)
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| Mahogany Impact (Estero, FL)
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| Mahon Door Corp (Warren, MI)
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| Maley's Window Products Co (Anaheim, CA)
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